HP 240 G8 User Manual

Table 5-15 System board descriptions and part numbers (continued)
Description Spare part number
● Intel Pentium 6805U processor M33066-xxx
● Intel Celeron N4020 processor L85887-xxx
● Intel Celeron N4020 processor with 64 GB of eMMC memory L85886-xxx
System board hook L88007-001
Before removing the fan, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 26).
2. Remove the rubber feet (see Computer feet on page 26).
3. Remove the bottom cover (see Bottom cover on page 27).
4. Remove the battery (see Battery on page 28).
5. Remove the fan (see Fan on page 41).
NOTE: When replacing the system board, be sure that the following components are removed from the
defective system board and installed on the replacement system board:
● WLAN module (see WLAN module on page 33)
● Memory modules (see Memory module on page 34)
● Solid-state drive (if installed) (see Solid-state drive on page 35)
● Heat sink assembly (see Heat sink assembly on page 44)
Remove the system board:
1. Position the computer upright, and then disconnect the following cables from the system board:
(1) USB board cable
(2) WLAN antenna cables
(3) Touchpad button board cable
(4) Keyboard cable
(5) Backlight cable
(6) Hard drive cable
(7) Speaker cable
(8) Power connector cable
(9) Display cable
Component replacement procedures 43

HP 240 G8 Specifications

General

Display	14-inch HD (1366 x 768) or FHD (1920 x 1080)
Graphics	Intel UHD Graphics
Weight	1.47 kg
RAM	4GB DDR4
Storage	1TB HDD
Operating System	Windows 10 Home
Battery	3-cell 41Wh Li-ion
Ports	1 x HDMI, 1 x RJ-45, 1 x headphone/microphone combo jack
Wireless	Realtek 802.11ac (1x1) Wi-Fi and Bluetooth 4.2
Processor	Intel Core i3-1115G4

Summary

Safety Warning Notice

Getting to Know Your Computer

Illustrated Parts Catalog

Computer Major Components

Display Assembly Subcomponents

Removal and Replacement Procedures Preliminary Requirements

Tools Required and Service Considerations

Lists necessary tools and important points to consider before disassembly.

Handling Drives and Electrostatic Discharge (ESD)

Precautions for handling drives and preventing damage from static electricity.

Preventing ESD and Grounding the Work Area

Guidelines for preventing static damage and preparing a safe workspace.

Removal and Replacement Procedures for Authorized Service Provider Parts

Component Replacement Procedures Overview

General steps and notes for replacing computer components.

Preparation for Disassembly

Essential steps to prepare the computer before starting component removal.

Computer Feet and Bottom Cover Replacement

Procedures for removing and replacing the computer feet and bottom cover.

Battery and Hard Drive Replacement

Procedures for removing and replacing the battery and hard drive.

SSD Board and WLAN Module Replacement

Procedures for replacing the SSD board and WLAN module.

Memory Module and Solid-State Drive Replacement

Procedures for replacing memory modules and solid-state drives.

Speakers and Power Connector Replacement

Touchpad Components Replacement

USB Board and Fan Replacement

System Board and Heat Sink Assembly Replacement

Procedures for replacing the system board and heat sink assembly.

Display Assembly Replacement

Procedures for removing and replacing the computer's display assembly.

Top Cover with Keyboard Replacement

Procedures for removing and replacing the top cover and keyboard assembly.

Computer Setup (BIOS), TPM, and HP Sure Start

Using and Navigating Computer Setup

Updating the BIOS

TPM BIOS Settings and HP Sure Start

Backing Up, Restoring, and Recovering

Backing Up Data and Creating Recovery Media

Restoring and Recovering Your System

Procedures and methods for restoring the computer to a previous state or factory settings.

Using HP PC Hardware Diagnostics

HP PC Hardware Diagnostics Windows

Downloading HP PC Hardware Diagnostics Windows

HP PC Hardware Diagnostics UEFI

Downloading HP PC Hardware Diagnostics UEFI